function testWith(bool) {
    print(bool << bool);
    print(bool << false);
    print(false << bool);
    print(false << false);
    
    print(bool << "24");
    print("86" << bool);
    
    print(bool << 4);
    print(4 << bool);
    
    print(null << bool);
    print(bool << null);
    
}

print(true << true);
print(true << false);
print(false << true);
print(false << false);

testWith(true);
testWith(false);

